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glenoid cavity

Xiang Chen, Akhil S Reddy, Andreas Kontaxis, Daniel S Choi, Timothy Wright, David M Dines, Russell F Warren, Julien Berhouet, Lawrence V Gulotta
BACKGROUND: Version correction via eccentric reaming reduces clinically important retroversion in Walch type B2 glenoids (those with substantial glenoid retroversion and a second, sclerotic neoglenoid cavity) before total shoulder arthroplasty (TSA). Clinically, an increased risk of glenoid component loosening in B2 glenoids was hypothesized to be the result of compromised glenoid bone quality attributable to eccentric reaming. However, no established guidelines exist regarding how much version correction can be applied without compromising the quality of glenoid bone...
September 25, 2017: Clinical Orthopaedics and related Research
Emily J Smith, Denis J Marcellin-Little, Ola L A Harrysson, Emily H Griffith
OBJECTIVE To assess 3-D geometry of the humerus of dogs and determine whether the craniocaudal canal flare index (CFI) is associated with specific geometric features. SAMPLE CT images (n = 40) and radiographs (38) for 2 groups of skeletally mature nonchondrodystrophic dogs. PROCEDURES General dimensions (length, CFI, cortical thickness, and humeral head offset), curvature (shaft, humeral head, and glenoid cavity), version (humeral head and greater tubercle), and torsion were evaluated on CT images. Dogs were allocated into 3 groups on the basis of the craniocaudal CFI, and results were compared among these 3 groups...
October 2017: American Journal of Veterinary Research
Aimilia E Koukiasa, Constantine Eliopoulos, Sotiris K Manolis
Human skeletal remains exhibit sexual dimorphism, which is apparent in adult living individuals as well. Researchers from forensic and osteoarchaeological fields have a growing interest in establishing metric standards for sexing by use of discriminant function analysis. The present study focuses on providing sex estimation metric standards using measurements from the scapula and clavicle in a Modern Greek sample (Athens Collection) consisting of 107 male and 90 female skeletons. A total of seven measurements were taken: maximum scapular height and breadth, glenoid cavity height and breadth, maximum clavicular length, anterior and superior clavicular diameter...
September 1, 2017: Anthropologischer Anzeiger; Bericht über die Biologisch-anthropologische Literatur
Guillaume Desroches, François Desmeules, Dany H Gagnon
The objectives of the present study were to test the feasibility of measuring humeral head displacements using quantitative ultrasound imaging during the performance of two different dynamic glenohumeral neuromuscular control exercises and to investigate the influence of these exercises on the acromiohumeral distance (AHD) and anterior-posterior distance (APD). Ten individuals who have no history of shoulder injury at the non-dominant shoulder completed three repetitions of an active humeral head lowering exercise and three repetitions of a posteriorisation exercise in a random order in a seated position...
June 2017: Musculoskeletal Science & Practice
Tanya R Peckmann, Shelby Scott, Susan Meek, Pasuk Mahakkanukrauh
The impact of climate change is estimated to be particularly severe in Thailand. Overall, the country faces an increase in surface temperatures, severe storms and floods, and a possible increase in the number of mass disasters in the region. It is extremely important that forensic scientists have access to sex estimation methods developed for use on a Thai population. The goal of this project is to evaluate the accuracy of sex estimation discriminant functions, created using contemporary Mexican and Greek populations, when applied to a contemporary Thai sample...
July 2017: Science & Justice: Journal of the Forensic Science Society
Xing-He Xue, Zhen-Hua Feng, Zhen-Xing Li, Xiao-Yun Pan
INTRODUCTION: Calcifying tendinitis of the shoulder is characterized with the formation of the calcium deposits in tendon, which mostly involves supraspinatus. The formation of the calcium deposits may be related to the excessive mechanical stimulation and non-tenocytes generation from tendon stem cell. The disease is usually associated with pain, especially when activating the shoulder. MATERIALS AND METHODS: We describe one case of calcifying tendinitis involving the long head of the biceps brachii and superior labrum...
February 22, 2017: Journal of Sports Medicine and Physical Fitness
Luís Filipe Senna, Rodrigo Pires E Albuquerque
Obtaining axillary radiographs of the shoulder in acute trauma is not always feasible. The authors present a new modification of this radiographic view, in order to assess the anatomic relationship between the humeral head and the glenoid cavity. The incidence is performed with the patient sitting on X-ray table, with the affected limb supported thereon. The authors describe the case of a 28-year-old male who suffered an anterior glenohumeral dislocation that was clearly evidenced by this modified radiograph...
January 2017: Revista Brasileira de Ortopedia
K Soudy, C Szymanski, C Lalanne, C Bourgault, A Thiounn, A Cotten, C Maynou
BACKGROUND: The objective of this study was to assess clinical and computed-tomography (CT) outcomes at least 2 years after humeral head resurfacing to treat concentric gleno-humeral osteoarthritis. HYPOTHESIS: Humeral head resurfacing provides similar outcomes to those achieved with stemmed humeral head implants. MATERIALS AND METHODS: This single-centre retrospective study included 40 Copeland™ and 65 Aequalis™ humeral resurfacing heads implanted between 2004 and 2012...
May 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
Tanya R Peckmann, Ciara Logar, Susan Meek
The scapula is valuable for sex estimation in human skeletons. Muscles provide protection to the scapula making it difficult to fracture, therefore increasing the potential for undamaged scapulae at forensic scenes. The goal of this project is to evaluate the accuracy of discriminant functions, created using an indigenous Guatemalan and contemporary Mexican population, when applied to a contemporary Chilean sample for estimation of sex from the scapula. The length of the glenoid cavity (LGC) and breadth of the glenoid cavity (BGC) were measured...
September 2016: Science & Justice: Journal of the Forensic Science Society
Christian Deml, Peter Kaiser, Wouter F van Leeuwen, Magdalena Zitterl, Simon A Euler
BACKGROUND: The J-shaped bone graft procedure is one of the recommended methods to reconstruct significant glenoid rim defects. PURPOSE: To evaluate long-term (minimum 10-year) clinical outcomes and show further details of the remodeling effects on the articular cavity of the glenoid after J-shaped bone grafting. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A total of 14 patients treated with a J-shaped bone graft procedure were observed clinically...
November 2016: American Journal of Sports Medicine
Giorgio Ippolito, Mariano Serrao, Francesco Napoli, Carmela Conte, Massimo Miscusi, Gianluca Coppola, Francesco Pierelli, Giuseppe Costanzo, Vincenzo De Cupis
INTRODUCTION: Latissimus dorsi tendon transfer (LDT) is a recent method for surgical treatment of massive, irreparable posterosuperior cuff tears (MIPCT). So far, there are no studies on the quantitative motion analysis of the shoulder and latissimus dorsi (LD) muscle activation after LDT. The changes in shoulder movements after LDT can be objectively assessed by the 3-D motion analysis. These changes may not be due to an increased activity of the LD muscle as external rotator. MATERIALS AND METHODS: The shoulder kinematics of nine patients with MIPCT were recorded through a 3-D motion analysis system, before LTD (T0), and after 3 (T1) and 6 (T2) months post-LDT...
October 2016: Archives of Orthopaedic and Trauma Surgery
Francisco Abaete Chagas-Neto, Vitor Faeda Dalto, Michel Daoud Crema, Peter M Waters, Everaldo Gregio-Junior, Nilton Mazzer, Marcello Henrique Nogueira-Barbosa
OBJECTIVE: To assess imaging parameters related to the morphology of the glenohumeral joint in children with unilateral brachial plexus birth palsy (BPBP), in comparison with those obtained for healthy shoulders. MATERIALS AND METHODS: We conducted a retrospective search for cases of unilateral BPBP diagnosed at our facility. Only patients with a clinical diagnosis of unilateral BPBP were included, and the final study sample consisted of 10 consecutive patients who were assessed with cross-sectional imaging...
May 2016: Radiologia Brasileira
Birgitte Hede Christensen, Kathrine Skov Andersen, Sten Rasmussen, Elizabeth Lykholt Andreasen, Lotte Mejlvig Nielsen, Steen Lund Jensen
BACKGROUND: Rotator cuff rupture is associated with dysfunction, pain and muscular weakness related to the upper extremity. Some evidence exists to support the beneficial effect of exercises but there is lack of evidence of which exercises imply the best effect and how physiotherapy should be administered. Therefore, the purpose of this study was to examine the effect of a neuromuscular exercise program for patients with irreparable rotator cuff rupture. METHODS: Based on sample-size calculations thirty patients with chronic irreparable rotator cuff tears (of at least m...
June 8, 2016: BMC Musculoskeletal Disorders
Hélène Lardé, Sylvain Nichols, Marie Babkine, André Desrochers
OBJECTIVE: To determine arthroscopic approaches to the dorsal synovial compartments of the antebrachiocarpal and middle carpal joints in adult cattle, and to describe the arthroscopic intra-articular anatomy from each approach. STUDY DESIGN: Ex vivo study. ANIMALS: Six fresh adult bovine cadavers. METHODS: Two carpi were injected with latex and dissected to determine the ideal location for arthroscopic portals. Arthroscopy of the antebrachiocarpal and middle carpal joints of 10 carpi was then performed...
July 2016: Veterinary Surgery: VS
Anna Maria Kubicka, Przemysław Lubiatowski, Jan Dawid Długosz, Leszek Romanowski, Janusz Piontek
OBJECTIVES: Degrees of upper-limb bilateral asymmetry reflect habitual behavior and activity levels throughout life in human populations. The shoulder joint facilitates a wide range of combined motions due to the simultaneous motion of all three bones: clavicle, scapula, and humerus. Accordingly, we used three-dimensional geometric morphometrics to analyze shape differences in the glenoid cavity and linear morphometrics to obtain the degree of directional asymmetry in a medieval population...
November 2016: American Journal of Human Biology: the Official Journal of the Human Biology Council
L Cherchi, J F Ciornohac, J Godet, P Clavert, J-F Kempf
BACKGROUND: Associations have been reported linking rotator cuff tears (RCTs) to both greater lateral extension of the acromion and greater inclination of the glenoid cavity. These two factors combined can be assessed using a recently introduced parameter, the critical shoulder angle (CSA). The primary objective of this study was to confirm the association linking a high CSA value to RCTs, and the secondary objective was to assess the reproducibility of CSA measurement using a goniometer...
September 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
Alberto Naoki Miyazaki, Marcelo Fregoneze, Pedro Doneux Santos, Luciana Andrade da Silva, Guilherme do Val Sella, Clodoaldo Duarte, Vinícius Botelho, Sergio Luiz Checchia
OBJECTIVE: To evaluate the clinical results from patients with traumatic anterior shoulder instability that was treated surgically through arthroscopic viewing, using bioabsorbable anchors and a technique for remove the cartilage of the anterior glenoid rim for repairing a Bankart lesion. METHOD: Between March 2006 and October 2008, 27 shoulders in 27 patients with a diagnosis of traumatic anterior shoulder instability were operated. The patients' mean age was 28 years and they had had between two and 25 previous episodes of dislocation...
May 2012: Revista Brasileira de Ortopedia
Roberto Yukio Ikemoto, Joel Murachovisky, Luis Gustavo Prata Nascimento, Rogério Serpone Bueno, Luiz Henrique Oliveira Almeida, Eric Strose, Fábio Fernando Helmer
OBJECTIVE: Evaluate the results from the Latarjet procedure in patients with anterior recurrent dislocation of the shoulder who present bone loss of the glenoid cavity greater than 25%. METHODS: Twenty six male patients underwent the Latarjet procedure, The bone loss was evaluated by means of radiography using the Bernageau view and by means of CAT scan. The patients were evaluated with regard to range of motion, using the Rowe and UCLA scales, before and after the operation, and by radiographs to assess the presence of arthrosis, position and consolidation of the graft and positioning of the screws...
September 2011: Revista Brasileira de Ortopedia
Alberto Naoki Miyazaki, Marcelo Fregoneze, Pedro Doneux Santos, Luciana Andrade Da Silva, Éder Menegassi Martel, Leandro Gervazoni Debom, Manoel Loyola Andrade, Sérgio Luiz Checchia
OBJECTIVE: The purpose of this study was to evaluate the relationship between the lateral projection of the acromion and rotator cuff tears (RCTs) in the Brazilian population. METHODS: The lateral projection of the acromion was measured using anteroposterior radiographs of the shoulders, carried out with the glenoid cavity in absolute profile and the humeral head in the neutral position or with internal rotation. The acromion index (AI) was defined as the ratio between the distance from the plane of the glenoid cavity to the lateral edge of the acromion and the distance from the plane of the glenoid cavity to the lateral edge of the humeral head...
March 2010: Revista Brasileira de Ortopedia
Alberto Naoki Miyazaki, Marcelo Fregoneze, Pedro Doneux Santos, Luciana Andrade Silva, Cesar Moreira Mariz Pinto Rodrigo Tormin Ortiz Eduardo, Sergio Luiz Checchia
UNLABELLED: To assess the outcomes of the surgical treatment of extensive rotator cuff injuries through arthroscopy. METHODS: Between June 1998 and October 2006, 61 patients with extensive rotator cuff injuries and submitted to surgical arthroscopy technique by the Shoulder and Elbow Group of the Department of Orthopaedics and Traumatology, Santa Casa de Misericórdia Medical School were reassessed. The study included all patients with at least two tendons affected or with retraction at least on two tendons up to the glenoidal cavity edge and with at least 12 months of follow-up...
January 2009: Revista Brasileira de Ortopedia
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